Exhaust› Mufflers and Resonators

BMW Genuine Parts

Genuine Front Exhaust Silencer/Muffler

$824.99

SKU: 18301427237

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The BMW Genuine Parts 18301427237 is a front exhaust silencer/muffler.

This component is essential for keeping noise generation within legal limits and ensuring precisely-defined back pressure behavior for optimal engine performance and lower fuel consumption. It also contributes to the typical dynamic BMW sound.
Show original supplier description
The BMW Genuine Parts front exhaust silencer/muffler (part number 18301427237) is a new, original BMW OEM replacement component. This silencer plays a critical role in vehicle acoustics and performance. By managing noise generation, it helps ensure compliance with legal limits. Furthermore, it is crucial for maintaining the specific back pressure required for optimal engine performance and improved fuel efficiency. The unique tuning of this component also contributes to the characteristic dynamic BMW sound. Fitment should be confirmed by VIN, vehicle specification, and production date before ordering. The product details list the brand as BMW, condition as New, and original part number as 18301427237. The product group is listed as Heater and Air Conditioning, though its function is related to the exhaust system.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandBMW Genuine Parts
Part Number18301427237
CategoryExhaust

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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